Home / 87,176,121-120,303,047-50,527,949.64

Finding the Fourth Proportional to 87,176,121, 120,303,047 and 50,527,949.64

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Solution

The fourth proportional to 87,176,121, 120,303,047 and 50,527,949.64 is: 69,728,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,176,121 : 120,303,047 = 50,527,949.64 : x
  2. Step 2: Convert to fraction form
    87,176,121/120,303,047 = 50,527,949.64/x
  3. Step 3: Cross multiply
    87,176,121x = 120,303,047 × 50,527,949.64
  4. Step 4: Simplify right side
    87,176,121x = 6,078,666,300,354,553
  5. Step 5: Solve for x
    x = 6,078,666,300,354,553/87,176,121
  6. Step 6: Final answer
    x = 69,728,570.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.